Paul Ruby Amplifiers

handmade vacuum tube amplifiers
for working musicians
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Hand crafted tube amplifier services of all sorts! Repairs, rewiring, designs, tagboards, custom faceplates, cabinets and full custom amps! Some samples of each below...


JTM45 reissue amps are a great starting point for a vintage amp replica. Some new iron, a tagboard with great components and some rewiring can make these amps sing!


Tagboards were my first foray into amp services. I can make standard or custom bards to your specs. NOTE: I no longer offer unstuffed tagboards. I will only make complete boards, with parts.


A great looking cab can really show off a great sounding amp. Have one made the way you like! Wine red velvet??

custom amps

Custom stuff is the specialty here. No idea is too silly or too difficult. Maybe too costly, but you'll never know if you don't ask! :) Face plates can be done full custom via laser engraving. Some very nice hardwoods are available for panels or full cabs. And, of course, the circuit guts of your amp can be tailored to your needs. We do everything from the ground up.


Your tube amp not doing so well?? DIY project not coming to life?? I can help. Send an email to discuss the problem and the options. I'm and electrical engineer by training, trade and genetics. The more difficult the problem, the more fun to solve. :)

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